Will the ash of black fertilizer volatilize?

Although it is in winter, the fertilizer still volatilizes, but it is relatively better. Volatilization is often more serious in summer, so fertilizer conservation should be done at all times. How to preserve chemical fertilizer in winter, experts will answer for you one by one!

How to preserve chemical fertilizer in winter?

1. Choose good quality packaging!

Expert: it is best to keep the fertilizer in the warehouse in winter; don't leave it outside. It snows and the wind blows outside. If it freezes, the bag will be easily damaged. In general, the packing of our chemical fertilizer is two-layer packaging. if a thin plastic film is pasted on the outer packaging, the tightness will be better; if the quality of some packaging is relatively poor, the tightness may not be good, so we should choose some packages with better quality.

2. Fire prevention

Expert: now the sales of ammonium nitrate are relatively small. Sometimes, some raw materials such as urea, ammonium nitrate and potassium nitrate may be used as raw materials for machine irrigation and water-soluble fertilizer. If these fertilizers are flammable, they should be stored separately from kerosene, gasoline, sawdust and straw. If there is flammable material in the fertilizer warehouse, be sure to prevent fire.

What should we pay attention to in preserving explosive fertilizers?

1. Do not hit with metal!

Expert: ammonium nitrate, potassium nitrate and copper, iron and other metals are easy to explode, so if caking occurs, do not hit with metal, such as a hammer or shovel, the impact will cause an explosion.

2. Don't put the calcium with the seeds!

Expert: calcium superphosphate is the so-called common calcium, which contains some free acid. When it is stored, it should not be put together with materials such as seeds to prevent any effect on the germination of seeds.

3. Classified storage!

Expert: in addition, chemical fertilizers are classified into acidic fertilizers and alkaline fertilizers. They should be stored separately according to types to prevent some volatile substances from affecting its fertilizer efficiency.

You must not think that anything can be saved when the temperature is low in winter, it is really not the case! You can't save any of the work that should be done. In winter, the temperature is low, the rainfall decreases, and the soil is dry, which is obviously different from that in spring, summer and autumn. Therefore, fertilizers should be selected pertinently and correct fertilization methods should be adopted to ensure that fertilization is economical and effective.

1. Topdressing should pay attention to the selection of quick-acting fertilizers. Due to the low temperature in winter and the weakening of microbial activity, it is necessary to apply quick-acting fertilizer. Ammonium bicarbonate can be selected for nitrogen fertilizer, calcium superphosphate can be selected for phosphate fertilizer, potassium chloride can be used for potash fertilizer (but potassium sulfate should be used for the middle and later growth of crops such as potatoes and tomatoes), and 45% ternary compound fertilizer can be used for compound fertilizer. farm fertilizer can choose mature human manure.

two。 Cruciferous crops should pay attention to the application of boron fertilizer. Cruciferous crops account for a large proportion of winter crops, such as cabbage, cabbage, radish, rape and so on. These crops are particularly sensitive to boron, while celery, wheat and carrots are also sensitive to boron. Boron deficiency not only seriously affects reproductive growth, but also hinders vegetative growth, reduces cold resistance, and is easy to induce heart rot.

3. Pay attention to the application of wax fertilizer before low temperature. The application of wax fertilizer can increase the soil temperature by 2 to 3 ℃, and increase the content of potassium in crop cells, so as to improve the water-holding capacity of cells, make the cells not easy to freeze at low temperature, and enhance the ability of cold resistance.